systems/parse.nix: support eabihf

lib/systems/examples.nix

@@ -110,6 +110,10 @@ rec {
     config = "arm-none-eabi";
     libc = "newlib";
   };
+  armhf-embedded = {
+    config = "arm-none-eabihf";
+    libc = "newlib";
+  };
 
   aarch64-embedded = {
     config = "aarch64-none-elf";

lib/systems/parse.nix

@@ -209,8 +209,15 @@ rec {
   abis = setTypes types.openAbi {
     cygnus       = {};
     msvc         = {};
-    eabi         = {};
-    elf         = {};
+
+    # Note: eabi is specific to ARM and PowerPC.
+    # On PowerPC, this corresponds to PPCEABI.
+    # On ARM, this corresponds to ARMEABI.
+    eabi         = { float = "soft"; };
+    eabihf       = { float = "hard"; };
+
+    # Other architectures should use ELF in embedded situations.
+    elf          = {};
 
     androideabi  = {};
     android      = {
@@ -272,10 +279,8 @@ rec {
     "2" = # We only do 2-part hacks for things Nix already supports
       if elemAt l 1 == "cygwin"
         then { cpu = elemAt l 0;                      kernel = "windows";  abi = "cygnus";   }
-      else if (elemAt l 1 == "eabi")
-        then { cpu = elemAt l 0; vendor = "none"; kernel = "none"; abi = elemAt l 1; }
-      else if (elemAt l 1 == "elf")
-        then { cpu = elemAt l 0; vendor = "none"; kernel = "none"; abi = elemAt l 1; }
+      else if (elemAt l 1) == "elf"
+      then { cpu = elemAt l 0; vendor = "unknown";    kernel = "none";     abi = elemAt l 1; }
       else   { cpu = elemAt l 0;                      kernel = elemAt l 1;                   };
     "3" = # Awkwards hacks, beware!
       if elemAt l 1 == "apple"
@@ -286,10 +291,8 @@ rec {
         then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "windows";  abi = "gnu"; }
       else if hasPrefix "netbsd" (elemAt l 2)
         then { cpu = elemAt l 0; vendor = elemAt l 1;    kernel = elemAt l 2;                }
-      else if (elemAt l 2 == "eabi")
-        then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "none"; abi = elemAt l 2; }
-      else if (elemAt l 2 == "elf")
-        then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "none"; abi = elemAt l 2; }
+      else if (elem (elemAt l 2) ["eabi" "eabihf" "elf"])
+        then { cpu = elemAt l 0; vendor = "unknown"; kernel = elemAt l 1; abi = elemAt l 2; }
       else throw "Target specification with 3 components is ambiguous";
     "4" =    { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; abi = elemAt l 3; };
   }.${toString (length l)}

pkgs/development/misc/qmk_firmware/default.nix

@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , avrgcc, avrbinutils
-, gcc-arm-embedded, binutils-arm-embedded
+, gcc-arm-embedded, gcc-armhf-embedded
 , teensy-loader-cli, dfu-programmer, dfu-util }:
 
 let version = "0.6.144";
@@ -14,12 +14,23 @@ in stdenv.mkDerivation {
     sha256 = "0m71f9w32ksqjkrwhqwhr74q5v3pr38bihjyb9ks0k5id0inhrjn";
     fetchSubmodules = true;
   };
+  postPatch = ''
+    substituteInPlace tmk_core/arm_atsam.mk \
+      --replace arm-none-eabi arm-none-eabihf
+    rm keyboards/handwired/frenchdev/rules.mk keyboards/dk60/rules.mk
+  '';
   buildFlags = "all:default";
+  doCheck = true;
+  checkTarget = "test:all";
+  installPhase = ''
+    mkdir $out
+  '';
   NIX_CFLAGS_COMPILE = "-Wno-error";
   nativeBuildInputs = [
     avrgcc
     avrbinutils
     gcc-arm-embedded
+    gcc-armhf-embedded
     teensy-loader-cli
     dfu-programmer
     dfu-util

pkgs/top-level/all-packages.nix

@@ -23027,7 +23027,7 @@ with pkgs;
     avrgcc = pkgsCross.avr.buildPackages.gcc;
     avrbinutils = pkgsCross.avr.buildPackages.binutils;
     gcc-arm-embedded = pkgsCross.arm-embedded.buildPackages.gcc;
-    binutils-arm-embedded = pkgsCross.arm-embedded.buildPackages.binutils;
+    gcc-armhf-embedded = pkgsCross.armhf-embedded.buildPackages.gcc;
   };
 
   newlib = callPackage ../development/misc/newlib { };